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INVENTORIES - Inventories (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Inventory [Line Items] |  |
Total | $ 604 | $ 593
Logs |  |
Inventory [Line Items] |  |
LIFO inventories | 14 | 28
Moving average cost or FIFO inventories | 36 | 39
Lumber, plywood, oriented strand board and fiberboard |  |
Inventory [Line Items] |  |
LIFO inventories | 91 | 74
Lumber, plywood, oriented strand board, fiberboard and engineered wood products |  |
Inventory [Line Items] |  |
Moving average cost or FIFO inventories | 112 | 107
Other products |  |
Inventory [Line Items] |  |
LIFO inventories | 10 | 9
Moving average cost or FIFO inventories | 167 | 173
Materials and supplies |  |
Inventory [Line Items] |  |
Moving average cost or FIFO inventories | $ 174 | $ 163

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